/*
 * Copyright © ${year} ${owner} (${email})
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jd.live.agent.core.inject.jbind.supplier;

import com.jd.live.agent.bootstrap.classloader.ResourcerType;
import com.jd.live.agent.core.extension.ExtensibleDesc;

import java.lang.reflect.Array;
import java.util.List;

/**
 * JExtensionListSourcer
 *
 * @since 1.0.0
 */
public class JExtensionArraySourcer extends JExtensibleSourcer {

    public JExtensionArraySourcer(String name, Class<?> type, Class<?> owner, ResourcerType resourcerType) {
        super(name, type, owner, resourcerType);
    }

    @Override
    public Object getSource(Object context) {
        ExtensibleDesc<?> extensible = getExtensible(context);
        if (extensible == null) {
            return null;
        }
        List<?> extensions = extensible.getExtensions();
        Object result = Array.newInstance(type, extensions.size());
        int index = 0;
        for (Object extension : extensions) {
            Array.set(result, index++, extension);
        }
        return result;
    }

}
